American Mineralogist
REGULAR ARTICLE
259 Some applications of clay mineralogy
270 Loughlinite, a new hydrous sodium magnesium silicate
282 Compilation of chemical analyses and physical constants of natural cordierites
299 Unusual etch pits in quartz crystals
311 Infrared study of the carbonate minerals
325 Error analysis for the Buerger precession camera
334 Crystal chemistry and systematic classification of hydrated borate minerals
341 Clinoptilolite from Patagonia; The relationship between clinoptilolite and heulandite
351 Clinoptilolite redefined
370 Correlation of some physical properties and chemical composition of solid solution
383 Layer charge relations in the dioctahedral and trioctahedral micas
411 Acceptance of the Roebling Medal of the Mineralogical Society of America
416 Acceptance of the Mineralogical Society of America Award
439 Vonsenite from St. Lawrence County, northwest Adirondacks, New York
443 Pseudomorphes after datolite, prehnite and apophyllite from East Granby, Connecticut
447 Errors in point-counter analysis
450 An association of awaruite with heazlewoodite
454 Lawsonite metagraywackes in New Zealand
455 Fluocerite and associated minerals from the Black Cloud pegmatite, Teller County, Colorado
459 Detrital euxenite and associated minerals, Sand Basin, Granite County, Montana
464 Hydroxyl ion catalysis of the hydrothermal crystallization of amorphous silica; a possible high temperature pH indicator
469 Immersion oils with indices of refraction from 1.292 to 1.411
481 Membership list of the Mineralogical Society of America
AWARD
407 Presentation of the Roebling Medal to Felix Machatschki
413 Presentation of the 1959 Mineralogical Society of America Award to Harry F. W. Taylor
NEW MINERAL NAMES
476 New Mineral Names; New data
BOOK REVIEW
472 Book Reviews
PROCEEDINGS
418 List of former officers and meeting places
418 Proceedings of the fortieth annual meeting of the Mineralogical Society of America at Pittsburgh, Pennsylvania
MEMORIAL
399 Memorial of Peggy-Kay Hamilton
403 Memorial of Leonard James Spencer
TABLE OF CONTENTS
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SPECIAL COLLECTIONS
Table of Contents
AmMin submission to acceptance/”first publication” is at a record average of about three to four months. Our acceptance to “final” publication is presently another 13 months on average.
Special Collections
American Mineralogist is an international journal that publishes mineralogical papers of broad interest to the geoscience and materials science community.